CN201246891Y - Heat pump type rapid water heater - Google Patents

Heat pump type rapid water heater Download PDF

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Publication number
CN201246891Y
CN201246891Y CNU2008200533114U CN200820053311U CN201246891Y CN 201246891 Y CN201246891 Y CN 201246891Y CN U2008200533114 U CNU2008200533114 U CN U2008200533114U CN 200820053311 U CN200820053311 U CN 200820053311U CN 201246891 Y CN201246891 Y CN 201246891Y
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China
Prior art keywords
water
heat exchanger
heat
pump
temperature
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Application number
CNU2008200533114U
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Chinese (zh)
Inventor
娄志林
陈永成
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湖南卓正科技实业发展有限公司
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Priority to CNU2008200533114U priority Critical patent/CN201246891Y/en
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Publication of CN201246891Y publication Critical patent/CN201246891Y/en

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Abstract

A heat pump type fast water heater is formed by a preheating heat exchanger, an evaporator, a condenser, a constant temperature water outlet device, a waste water collecting system, an insulated wall, a compressor, a throttling valve and a temperature control and power regulating system. Tap water is conducted with the secondary heat exchange and is heated through the preheating heat exchanger and the condenser, then is used for bath passing through the constant temperature water outlet device and a nozzle. Water after the bath is collected and filtered by the waste water collecting system, and is delivered to the preheating heat exchanger and the evaporator by the water pump to be conducted with the secondary heat exchange and recover heat energy, and finally is discharged through a drainage hole. The temperature control and power regulating system can automatically control the power of the compressor to realize the constant temperature outlet water according to different environment conditions and the temperature difference of intake water and outlet water, thereby realizing the smaller power electricity input, and reaching the instant heating and continuous hot water supply with large flow. The energy consumption of the water heater is only 25%-15% of a direct-heating type or a heat storage type water supply mode, the energy efficiency is over 5.5, and the energy source required by bath is greatly saved.

Description

The heat-pump-type fast water heater
Technical field
The utility model relates to a kind of heat-pump-type fast water heater.
Background technology
At present, the electrothermal heater divides two kinds of directly-heated type and heat storage types, and Electric direct heater has 7.8KW, 8.8KW, the several class of 15KW, its advantage is that promptly to open be hot water supply function, and the key issue that restricts its large-area applications is that electric power is excessive, and house lead in supply line of general family can't bear.This type of water heater is installed is changed supply line, ammeter specially, when using this type of water heater, temperature hangs down weather 7.8KW, 8.8KW power directly-heated water heater heat supply discharge is too little, can not satisfy the requirement of bathing normal water supply amount, generally must install 15KW (three phase mains) and could meet the demands substantially winter.This type of water heater energy consumption height (Energy Efficiency Ratio≤1:1).
Heat storage type electric heating device is a kind of electric heater of present extensive use, and is easy for installation, price is lower, is the main flow of present electric heater.Long-term energising is in the constant temperature working condition and can guarantees that hot water is arranged in the water storage cylinder at any time.At any time can supply bathing, but when the continuous bathing of many people or bathing time are longer, the hot water of just can't guaranteeing supply, even there is not hot water midway suddenly in bathing, and behind several hrs, could continue the shortcoming that supplies water.Also owing to want long term high temperature insulation energy loss-rate direct-heating type electric heater higher (Energy Efficiency Ratio<1).
Combustion gas can water heater be divided into three kinds of coal gas, natural gas, liquefied gas, their advantage is that water heater is cheap, plug and play hot water, but exist energy consumption height, combustion gas that leakage accident and the indoor security incident that causes of exhaust emissions easily take place, the time have report to cause casualties, country on policy the guiding gas water heater progressively withdraw from the market.
Solar water heater is the environmental protection and energy saving that country does one's utmost to promote, and energy consumption is 0 relatively, progressively obtains larger area and uses.But it is overcast and rainyly can't provide hot water that its deficiency is also arranged, and the high building house is installed difficulty, and no instant heating function is made troubles to life.
Air-source water heater is a kind of energy-saving water heater of just having promoted in recent years, and it is to utilize heat energy in the outer air of heat pump absorption chamber, and high energy efficiency ratio reaches 1:4.But this kind water heater mainly is heat storage type at present, needs the water storage cylinder of larger volume, and when the outdoor device that also needs larger volume, temperature were low, Energy Efficiency Ratio can only reach 1:2.Cost other several water heaters relatively exceeds 3-8 times, and can't realize Instant heating type heat supply water.
Central heating water is the selection of most convenient, but limit by condition, and the house of domestic central heating water is few, and application surface is also very limited.Simultaneously, central heating water user can't independently realize the requirement of heat supply water at any time.
In sum, the domestic market does not also have a kind of energy large tracts of land to be suitable for the instant electric water heater at present.Along with China's economic development, the energy is in short supply in the world in addition, and price is soaring, and national energy policy is actively encouraged energy-saving and cost-reducing.Providing energy-saving instant electric water heater's new technology to market is the strong call in market!
Summary of the invention
The purpose of this utility model provides a kind of Instant heating type fast water heater, is made up of preheating heat exchanger (4), evaporimeter (5), condenser (7) constant-temperature effluent device (12), wastewater collection system (13), electricity-isolation wall (16), compressor (17), choke valve (19), temperature control power-regulating system (21).Running water through preheating heat exchanger (4), condenser (7) secondary heat exchange heating after constant-temperature effluent device (12), shower nozzle (11) use for bathing.After the bathing after wastewater collection system (12) collect to filter, after water pump (14) is delivered to preheating heat exchanger (4), evaporimeter (5) and reclaimed heat through 2 heat exchanges, discharge through discharge outlet (6).The temperature control power-regulating system is realized constant-temperature effluent according to the power of different environmental conditions and Inlet and outlet water temperature difference automatic control compressor (17), thereby reaches input less (0.5-2.2KW) power electric energy, reaches the continuously big flow of instant heating (3-10 liter/minute) hot-water supply.And energy consumption has only the 25%-15% of directly-heated type or heat storage type way of supplying water, and Energy Efficiency Ratio reaches more than 5.5, significantly saves the required energy of bathing.
Might leak electricity during the compressor operating of heat pump, and compressor generally all is to be connected with condenser, evaporimeter through copper pipe.Just in case therefore the personal safety of compressor electric leakage entail dangers to is provided with electricity-isolation wall (16) between compressor and condenser and evaporimeter, the electricity-isolation wall structure is that copper pipe end-fitting and insulating pressure pipe are formed like this.Its insulating pressure pipe is made by the nonmetallic materials with good insulation performance, and can be more than the pressure-bearing 5MPa.Pressure piping (10), low pressure pipeline (19) are withstand voltage copper pipe, and pipeline (10), (19) are cut off from the centre respectively, and the otch two ends are processed into joint and are put 30mm~100mm insulating pressure pipe, banding running-on immediately then.
For ensureing preheating heat exchanger (4) and evaporimeter (5) energy efficient operation, heat exchanger (4) is by container (4-3), and dividing plate (4-2), gap (4-1), heat exchanger (4-4) are formed.Container (4-3) and dividing plate (4-2) form mouth of a river M in the bottom, waste water carries out heat exchange with heat exchanger in container after upper entrance flows to, and discharge from gap (4-1) through lower curtate M again.Gap (4-1) is a little more than heat exchanger (4-4) top, and heat exchanger all is immersed in the thermal wastewater, owing to expand with heat and contract with cold, cold water drops to the bottom, through bottom M place, discharges through gap (4-1) again after heat exchange.The operation principle of evaporimeter (5) is identical with preheating heat exchanger (4), and by container (5-2), dividing plate (5-3), gap (5-4), heat exchanger (5-1) are formed.Container (5-2) and dividing plate (5-3) form mouth of a river N in the bottom, waste water carries out heat exchange with heat exchanger in container after upper entrance flows to, and discharge from gap (5-4) through lower curtate N again.Gap (5-4) is a little more than heat exchanger (5-1) top.
Adapt to different environment temperatures for ensureing, water heater is provided with the temperature control power-regulating system.The temperature control power-regulating system is by microcomputer and frequency converter (21), inflow temperature sensor (2), and leaving water temperature sensor (9), waste water temperature at discharging condensate sensor (20), emergent defrost valve are formed (3) and formed.Microcomputer after the start work (21) is according to default leaving water temperature, after detecting water-in and water-out temperature, process computational analysis, send the instruction that increases compressor electric motor operating frequency (heightening input power) or reduce compressor electric motor operating frequency (turning down input power) to frequency-variable controller, the speed of Automatic Control pump heat, simultaneously, be aided with constant-temperature effluent device (12) control flow, reach the stable purpose of control leaving water temperature.When being operated in that warm-up phase does not have that waste water is recycled and waste outlet is opened emergent defrost valve (3) defrost when being lower than uniform temperature.
For making full use of waste heat, water heater is provided with wastewater collection system (13), wastewater collection system (13) is made up of wastewater collection basin (13-1), screen pack 1 (13-2), quartz filter sand (13-3), screen pack 2 (13-4), after the waste water of being collected by wastewater collection basin (13-1) filters through filter screen 1 (13-2), quartz filter sand (13-3), screen pack 2 (13-4), deliver to by preheating heat exchanger (4) through water pump (14).Screen pack 1 (13-2), quartz filter sand (13-3), screen pack 2 (13-4) all are detachable the cleanings.With the foreign material such as waste water elimination bathing hair after the bathing, deliver to preheating heat exchanger and evaporimeter carries out waste heat recovery by water pump (14).
The utility model requires to have 1~5 fen clock time (change with the environment temperature height preheating time) when bathing is prepared in start, after the connection power supply begins preheating work, computer (21) detects evaporimeter (5) water temperature, when evaporimeter (5) water temperature is lower than a certain temperature (general 1-3 ℃), computer (21) sends instruction and opens emergent defrost valve composition (3), a certain amount of running water enters evaporimeter (5), guarantees evaporimeter (5) operate as normal.When evaporimeter (5) water temperature is higher than a certain temperature (general 4~6 ℃), close emergent defrost valve (3) automatically, running water stops to flow to evaporimeter (5).
The beneficial effects of the utility model are: a kind of energy-conservation immediately heating water heater is provided, electric energy, start at input 0.5-2.2KW realize providing continuously immediately big flow (3-8 liters) bath hot water after 1~5 minute, because the waste heat in the high efficiente callback bath wastewater, power consumption has only 15%~25% of common electrical water heater.Simultaneously, because of adopting electric energy as the energy, no waste discharge, safe in utilization, pollution-free.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is the preheating heat exchanger schematic diagram.
Fig. 3 is the A-A generalized section of Fig. 2.
Fig. 4 is the B-B generalized section of Fig. 2.
Fig. 5 is the wastewater collection system schematic diagram.
The specific embodiment
By Fig. 1 to Fig. 5 as can be known, the utility model is formed (3) by preheating heat exchanger (4), evaporimeter (5), condenser (7), constant-temperature effluent device (12), wastewater collection system (13), electricity-isolation wall (16), compressor (17), choke valve (19), temperature control power-regulating system (21), emergent defrost valve.Running water through preheating heat exchanger (4), condenser (7) secondary heat exchange heating after constant-temperature effluent device (12), shower nozzle (11) use for bathing.After the bathing after wastewater collection system (13) collect to filter, after water pump (14) is delivered to preheating heat exchanger (4), evaporimeter (5) and reclaimed heat through 2 heat exchanges, discharge through discharge outlet (6).The temperature control power-regulating system is realized constant-temperature effluent according to the power of different environmental conditions and Inlet and outlet water temperature difference automatic control compressor (17), thereby reaches input less (0.5-2.2KW) power electric energy, reaches the continuously big flow of instant heating (3-10 liter/minute) hot-water supply.
Heat pump electricity-isolation wall (16), form by copper pipe end-fitting, insulating pressure pipe.In the middle of high-voltage tube (10), low-voltage tube (19), be provided with electricity-isolation wall (16), prevent compressor (17), the harm personal safety just in case electric leakage is imported in the water by pipeline (10), (19).The electricity-isolation wall structure is that copper pipe end-fitting and insulating pressure pipe are formed.Its insulating pressure pipe is made by the nonmetallic materials with good insulation performance, and can be more than the pressure-bearing 5MPa.Pipeline (10), (19) are withstand voltage copper pipe, and pipeline (10), (19) are cut off from the centre respectively, and the otch two ends are processed into joint and are put 30mm~100mm insulating pressure pipe, banding running-on immediately then.
Preheating heat exchanger (4) is by container (4-3), and dividing plate (4-2), gap (4-1), heat exchanger (4-4) are formed.Container (4-3) and dividing plate (4-2) form mouth of a river M in the bottom, waste water carries out heat exchange with heat exchanger in container after upper entrance flows to, and discharge from gap (4-1) through lower curtate M again.Gap (4-1) is a little more than heat exchanger (4-4) top.
Evaporimeter (5) is by container (5-2), and dividing plate (5-3), gap (5-4), heat exchanger (5-1) are formed.Container (5-2) and dividing plate (5-3) form mouth of a river N in the bottom, waste water carries out heat exchange with heat exchanger in container after upper entrance flows to, and discharge from gap (5-4) through lower curtate N again.Gap (5-4) is a little more than heat exchanger (5-1) top.
The temperature control power-regulating system is by microcomputer and frequency converter (21), inflow temperature sensor (2), and leaving water temperature sensor (9), waste water temperature at discharging condensate sensor (20), emergent defrost valve are formed (3) and formed.Microcomputer after the start work (21) is according to default leaving water temperature, after detecting water-in and water-out temperature, process computational analysis, send the instruction that increases compressor electric motor operating frequency (heightening input power) or reduce compressor electric motor operating frequency (turning down input power) to frequency-variable controller, the speed of Automatic Control pump heat, simultaneously, be aided with constant-temperature effluent device (12) control flow, reach the stable purpose of control leaving water temperature.When being operated in that warm-up phase does not have that waste water is recycled and waste outlet is opened emergent defrost valve (3) defrost when being lower than uniform temperature.
Wastewater collection system (13) is made up of wastewater collection basin (13-1), screen pack 1 (being 13-2), quartz filter sand (13-3), screen pack 2 (being 13-4), after the waste water of being collected by wastewater collection basin (13-1) filters through filter screen 1 (being 13-2), quartz filter sand (13-3), screen pack 2 (being 13-4), deliver to by preheating heat exchanger (4) through water pump (14).Screen pack 1 (being 13-2), quartz filter sand (13-3), screen pack 2 (being 13-4) all are detachable the cleanings.
3 layers of 300X400 finned heat exchanger that compressor (17) adopts the 2.2KW compressor, all is made up of the 12mm copper pipe preheating heat exchanger (4), evaporimeter (5), condenser (7).Microcomputer and frequency converter (21) adopt STC12C5410AD micro computer, FRN2.2E1S-2J frequency-variable controller.Inflow temperature sensor (2), leaving water temperature sensor (9), waste water temperature at discharging condensate sensor (20) adopt the DS18B20 digital temperature sensor, connect 220V (10A) power supply, greater than 0.01MPa pressure running water.The open system starting switch, behind the default leaving water temperature, temperature control adjusting system (21) is started working, compressor (17) starts, and emergent defrost valve (3) unlatching is emitted a small amount of running water and entered evaporimeter (5), ensures evaporimeter (5) operate as normal, leaving water temperature begins to rise, after 1~5 minute, leaving water temperature reaches design temperature, and the user is bathing or use hot water normally.When the spent hot water who reclaims arrived evaporimeter (5), emergent defrost valve (3) cut out.Water heater begins to provide the hot water of equilibrium temperature and flow to use for the user for a long time continuously.

Claims (6)

1, a kind of heat-pump-type fast water heater is formed (3) by preheating heat exchanger (4), evaporimeter (5), condenser (7), constant-temperature effluent device (12), wastewater collection system (13), electricity-isolation wall (16), compressor (17), choke valve (19), temperature control power-regulating system (21), emergent defrost valve; It is characterized in that: the bottom is wastewater collection system (13), and top is shower nozzle (11); Wastewater collection system (13) connects water pump (14), water pump (14) connects preheating heat exchanger (4), preheating heat exchanger (4) connects condenser (7), condenser (7) connects constant-temperature effluent device (12), constant-temperature effluent device (12) connects shower nozzle (11), between compressor (17) and the evaporimeter (5), establish electricity-isolation wall (16) respectively between compressor (17) and the condenser (7), evaporimeter (5) is arranged in the preheating heat exchanger (4); Running water through preheating heat exchanger (4), condenser (7) secondary heat exchange heating after constant-temperature effluent device (12), shower nozzle (11) use for bathing; After the bathing after wastewater collection system (13) collect to filter, after water pump (14) is delivered to preheating heat exchanger (4), evaporimeter (5) and reclaimed heat through the secondary heat exchange, discharge through discharge outlet (6).
2, heat-pump-type fast water heater according to claim 1 is characterized in that: heat pump electricity-isolation wall (16) is made up of copper pipe end-fitting, insulating pressure pipe, and electricity-isolation wall (16) is located between high-voltage tube (10) and the low-voltage tube (19).
3, heat-pump-type fast water heater according to claim 1, it is characterized in that: preheating heat exchanger (4) is by container (4-3), dividing plate (4-2), gap (4-1), heat exchanger (4-4) are formed, container (4-3) and dividing plate (4-2) form the mouth of a river (M) in the bottom, waste water carries out heat exchange with heat exchanger in container after upper entrance flows to, discharge from gap (4-1) through lower curtate (M), gap (4-1) is higher than heat exchanger (4-4) top again.
4, heat-pump-type fast water heater according to claim 1, it is characterized in that: evaporimeter (5) is by container (5-2), dividing plate (5-3), gap (5-4), heat exchanger (5-1) are formed, container (5-2) and dividing plate (5-3) form the mouth of a river (N) in the bottom, waste water carries out heat exchange with heat exchanger in container after upper entrance flows to, discharge from gap (5-4) through lower curtate (N), gap (5-4) is higher than heat exchanger (5-1) top again.
5, heat-pump-type fast water heater according to claim 1, it is characterized in that: the temperature control power-regulating system is by microcomputer and frequency converter (21), inflow temperature sensor (2), and leaving water temperature sensor (9), waste water temperature at discharging condensate sensor (20), emergent defrost valve are formed (3) and formed.
6, heat-pump-type fast water heater according to claim 1, it is characterized in that: wastewater collection system (13) is made up of wastewater collection basin (13-1), screen pack 1 (13-2), quartz filter sand (13-3), screen pack 2 (13-4), after the waste water of being collected by wastewater collection basin (13-1) filters through filter screen 1 (13-2), quartz filter sand (13-3), screen pack 2 (13-4), deliver to by preheating heat exchanger (4) through water pump (14), screen pack 1 (13-2), quartz filter sand (13-3), screen pack 2 (13-4) all are detachable the cleanings.
CNU2008200533114U 2008-05-28 2008-05-28 Heat pump type rapid water heater CN201246891Y (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003793A (en) * 2010-11-15 2011-04-06 区耀林 Water heater with waste water heat recovery
WO2012040504A2 (en) * 2010-09-23 2012-03-29 Li-Cor, Inc. Gas exchange system flow configuration
CN102434956A (en) * 2011-06-16 2012-05-02 吴中敏 Flow servo instant electric water heater
CN102927683A (en) * 2012-11-23 2013-02-13 广东志高空调有限公司 Multi-waste-heat recovery water heater
CN102927684A (en) * 2012-11-23 2013-02-13 广东志高空调有限公司 Waste water and water heat recovery water heater
CN103438561A (en) * 2013-08-15 2013-12-11 周卫红 Novel pre-heating and instant heating dual-mode electric water heater
CN104566958A (en) * 2013-10-11 2015-04-29 上海工程技术大学 Hot water system with waste heat recovery dual heat source heat pump
CN105928209A (en) * 2016-04-26 2016-09-07 广东美的暖通设备有限公司 Heat pump water heater and defrosting control method and device thereof
CN111503905A (en) * 2020-05-09 2020-08-07 广东万家乐燃气具有限公司 Water heater preheating time adjusting method and water heater control method and system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012040504A2 (en) * 2010-09-23 2012-03-29 Li-Cor, Inc. Gas exchange system flow configuration
WO2012040504A3 (en) * 2010-09-23 2012-06-07 Li-Cor, Inc. Gas exchange system flow configuration
CN102003793A (en) * 2010-11-15 2011-04-06 区耀林 Water heater with waste water heat recovery
CN102434956A (en) * 2011-06-16 2012-05-02 吴中敏 Flow servo instant electric water heater
CN102927683A (en) * 2012-11-23 2013-02-13 广东志高空调有限公司 Multi-waste-heat recovery water heater
CN102927684A (en) * 2012-11-23 2013-02-13 广东志高空调有限公司 Waste water and water heat recovery water heater
CN102927683B (en) * 2012-11-23 2015-07-22 广东志高空调有限公司 Multi-waste-heat recovery water heater
CN103438561A (en) * 2013-08-15 2013-12-11 周卫红 Novel pre-heating and instant heating dual-mode electric water heater
CN104566958A (en) * 2013-10-11 2015-04-29 上海工程技术大学 Hot water system with waste heat recovery dual heat source heat pump
CN105928209A (en) * 2016-04-26 2016-09-07 广东美的暖通设备有限公司 Heat pump water heater and defrosting control method and device thereof
CN105928209B (en) * 2016-04-26 2019-04-30 广东美的暖通设备有限公司 Heat pump water-heating machine and its defrosting control method and device
CN111503905A (en) * 2020-05-09 2020-08-07 广东万家乐燃气具有限公司 Water heater preheating time adjusting method and water heater control method and system

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